These round foil containers are made of high-quality aluminium foil that is recyclable, freezer- and oven-safe. They can maintain their temperature for a long time without your food getting cold thanks to the thermal properties and conductivity of aluminium foil. incredibly well-liked by the food manufacturing, catering, and restaurant industries. Foods like curries, rice dishes, noodles, mixed grills, etc. are frequently used. With a folding edge, this product is intended to be used with our Round Foil Board Lids because they are identical in size and shape.